﻿#region " LICENSE "
// DRILL - Dependency Resolution Interface Layer Library
// Copyright (c) 2008-2012 Wade A. Reynolds. All rights reserved.
// http://drill.codeplex.com/
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#endregion
using System;
using Drill.Configuration;
using Drill.Core.Builders;
using Drill.Extensibility;

namespace Drill.Core.MasterFactories
{
	public class ConfigBasedMasterDrillBitFactory : IDrillBitFactory
	{
		private readonly IDrillBitConfiguration _config;
		private readonly IConfigurationHelper _configurationHelper;

		public ConfigBasedMasterDrillBitFactory(IDrillBitConfiguration config, IConfigurationHelper configurationHelper)
		{
			if (null == config)
			{
				throw new ArgumentNullException("config");
			}
			_config = config;
			_configurationHelper = configurationHelper;
		}

		/// <summary>
		/// Creates a new <see cref="IDrillBit"/> instance.
		/// </summary>
		/// <returns>A new <see cref="IDrillBit"/> instance.</returns>
		public IDrillBit CreateDrillBit()
		{
			if (false == _config.Enabled)
			{
				return null;
			}

			string assemblyQualifiedTypeName = _config.Type;
			string drillBitName = _config.Name;

			IConfigurationSourceSetFactory configurationSourceSetFactory = 
				new ConfigBasedConfigurationSourceSetFactory(_config.ConfigurationSources, _configurationHelper);

			IDrillBitBuilder builder = new DrillBitBuilder(
				drillBitName,
				assemblyQualifiedTypeName,
				configurationSourceSetFactory,
				_configurationHelper
				);

			IDrillBitBuilderDirector director = new DrillBitBuilderDirector();
			director.Initialize(builder);
			return director.Build();
		}
	}
}